CN217103081U - Device for purifying carbon nano tube by halogen - Google Patents
Device for purifying carbon nano tube by halogen Download PDFInfo
- Publication number
- CN217103081U CN217103081U CN202123455474.XU CN202123455474U CN217103081U CN 217103081 U CN217103081 U CN 217103081U CN 202123455474 U CN202123455474 U CN 202123455474U CN 217103081 U CN217103081 U CN 217103081U
- Authority
- CN
- China
- Prior art keywords
- halogen
- gas
- air
- graphite reactor
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses a device of halogen purification carbon nanotube, it includes: the graphite reactor is provided with an air outlet and an air inlet, wherein an air guide component is arranged at the air inlet and comprises an air guide part which is spirally arranged along the airflow direction. When the device is used, reaction gas enters the graphite reactor from the gas inlet, the gas guide part spirally arranged along the gas flow direction can control halogen gas to rotate to enter the graphite reactor, the contact effect of the halogen gas and the carbon nano tube is enhanced, the complexity of a gas distribution structure is simplified, and the device is convenient to process.
Description
Technical Field
The utility model relates to a carbon nanotube purification technical field, in particular to device of halogen purification carbon nanotube.
Background
The nanotube is used as a novel conductive agent for the lithium ion battery, and the excellent conductivity of the nanotube can improve the energy density, the cycle life and the rate performance of the lithium ion battery. However, carbon nanotubes are usually obtained by cracking a carbon source catalyzed by a catalyst containing Fe, Co and Ni, so that the magnetic metal elements with the content of more than 5000ppm exist in the originally grown carbon nanotubes. As a conductive agent of a lithium ion battery, the carbon nano tube needs to be purified, so that the content of magnetic metal in the powder is reduced to be less than 100 ppm.
Patent CN113247883A discloses a method for purifying carbon nanotubes by fluidization of halogen-containing gas, which can purify carbon nanotubes with carbon purity of 99.99% or more within 2 hours at a temperature of 1100 ℃. When the method for purifying the carbon nano tube by halogen fluidization is used in engineering equipment, in order to ensure that halogen gas and metal impurities in the carbon tube fully react, the halogen gas enters a gas distribution control member to control the gas distribution, but the existing fluidized purification gas distribution control member is complex, so that the processing difficulty is high, the gas distribution is improper, the halogen gas utilization rate is low, and the purification time is prolonged.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a device for purifying carbon nanotubes with halogen, which solves one or more of the problems of the prior art and provides at least one of the advantages of the prior art.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a device of halogen purification carbon nanotube, it includes: the graphite reactor is provided with an air outlet and an air inlet, wherein an air guide member is arranged at the air inlet and comprises an air guide part spirally arranged along the air flow direction.
The utility model has the advantages that: when the device is used, reaction gas enters the graphite reactor from the gas inlet, the gas guide part spirally arranged along the gas flow direction can control halogen gas to rotate to enter the graphite reactor, the contact effect of the halogen gas and the carbon nano tube is enhanced, the complexity of a gas distribution structure is simplified, and the device is convenient to process.
As a further improvement of the technical scheme, the air guide part is of a spiral groove structure. The air guide part in the scheme adopts a spiral groove structure, and reaction gas enters the graphite reactor in a spiral manner through the spiral groove.
As a further improvement of the technical scheme, the number of the air guide parts is multiple, and the air guide parts are arranged in an annular interval manner. The plurality of gas guides can improve the guidance of the gas.
As a further improvement of the above technical solution, the gas inlet is disposed at the bottom of the graphite reactor, the gas outlet is disposed at the top of the graphite reactor, and the apparatus for purifying carbon nanotubes using halogen further comprises a heating furnace, the graphite reactor is installed in the heating furnace, and the heating furnace is used for heating the graphite reactor. This scheme is passed through the heating furnace and is heated the graphite reactor for the inside temperature that can heat to the purification of carbon nanotube of graphite reactor uniformly, and halogen gas gets into from the bottom of graphite reactor, up flows, later discharges from the gas outlet, improves mobility.
As a further improvement of the technical scheme, a heating guide plate is arranged at a position close to the air outlet in the graphite reactor, the heating guide plate is of a horn structure, and the horn structure is arranged in a small-end-up manner. The heating guide plate mainly plays a role in guiding and heat gathering, so that the tail gas is discharged more smoothly.
As a further improvement of the technical scheme, an anti-corrosion dust filter net is arranged in the heating guide plate. The anti-corrosion dust filter screen can avoid the discharge of carbon nano tubes while ensuring the discharge of tail gas, and is woven by quartz fibers or carbon fibers.
As a further improvement of the above technical scheme, the device for purifying carbon nanotubes by using halogen further comprises a raw material bin and a receiving bin, wherein an outlet of the raw material bin is connected with an air inlet through a feeding pipeline, a feeding valve and a halogen gas inlet are sequentially arranged on the feeding pipeline between the outlet of the raw material bin and the air inlet, the receiving bin is connected with a graphite reactor through a discharging pipeline, and a discharging valve is arranged on the discharging pipeline.
The raw material bin in this scheme is equipped with the carbon nanotube of treating the purification, and the halogen gas import is connected with the halogen gas feeding device of peripheral hardware, and during the feeding, opens the feed valve, and halogen gas gets into feed pipeline simultaneously, and high-speed halogen gas brings carbon nanotube into the graphite reactor from the air inlet together, and after the reaction, opens the discharge valve, and carbon nanotube retrieves in receiving the feed bin.
As a further improvement of the technical scheme, a first nitrogen inlet is arranged on the feeding pipeline, the first nitrogen inlet is arranged on the outlet side of the feeding valve, and a second nitrogen inlet is arranged on the discharging pipeline. The first nitrogen inlet and the second nitrogen inlet in the scheme are connected with an external nitrogen supply device, nitrogen can be introduced into the first nitrogen inlet in advance before feeding, and the nitrogen can blow out all pipelines and air in the graphite reactor, so that the carbon nano tube is not oxidized due to contact with oxygen. Before unloading, nitrogen can be led into the second nitrogen inlet in advance, and after the unloading valve is opened, the nitrogen can blow out air in the discharging pipeline and the material receiving bin, so that the carbon nano tube is protected; nitrogen may also be passed into the first nitrogen inlet as it is fed.
As a further improvement of the technical scheme, the air outlet is provided with an air outlet valve. During normal reaction, the air outlet valve is opened, and during material receiving, the air outlet valve can be closed, and the carbon nano tubes in the graphite reactor are blown into the material receiving bin through high-speed airflow.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic structural diagram of an embodiment of an apparatus for purifying carbon nanotubes by using halogen according to the present invention;
FIG. 2 is a cross-sectional view of one embodiment taken at A of FIG. 1;
fig. 3 is a schematic structural diagram of an embodiment of the sensor at a in fig. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 3, the following embodiments of an apparatus for purifying carbon nanotubes using halogen according to the present invention are described:
the apparatus for purifying carbon nanotubes by using halogen of this embodiment includes a graphite reactor 100, a heating furnace 300, a raw material bin 400, and a receiving bin 500.
The graphite reactor 100 is provided with an air outlet 120 and an air inlet 110, an air guide member is arranged at the air inlet 110, the air guide member comprises an air guide part 200 spirally arranged along the air flow direction, the air guide part 200 in this embodiment is of a spiral groove structure, and the reaction gas entering the graphite reactor 100 from the air inlet 110 enters the interior of the graphite reactor 100 in a spiral form through the spiral groove.
And, a first nitrogen inlet 413 is provided on the feed pipe 410, the first nitrogen inlet 413 is provided on the outlet side of the feed valve 411, and a second nitrogen inlet 512 is provided on the discharge pipe 510.
The raw material bin 400 is filled with carbon nanotubes to be purified, the halogen gas inlet 412 is connected to an external halogen gas supply device, and the first nitrogen gas inlet 413 and the second nitrogen gas inlet 512 are both connected to an external nitrogen gas supply device.
The device carries on the work flow that fluidizes the carbon nanotube as follows, let nitrogen gas into the first nitrogen gas inlet 413 in advance, nitrogen gas at this moment can blow out all pipelines and air in the graphite reactor 100, make the carbon nanotube not contact with oxygen and oxidize, while feeding, open the feed valve 411, the halogen gas enters the feed channel 410 at the same time, the high-speed halogen gas brings the carbon nanotube into the graphite reactor 100 from the air inlet 110 together, the reaction gas enters the graphite reactor 100 from the air inlet 110, the gas guide 200 that sets up spirally along the direction of air current can control the halogen gas to rotate and enter the graphite reactor 100, has strengthened the contact effect of halogen gas and carbon nanotube, has simplified the complexity of the gas distribution structure at the same time, easy to process; before discharging, nitrogen can be introduced into the second nitrogen inlet 512 in advance, and after the discharge valve 511 is opened, the nitrogen can blow out air in the discharge pipeline 510 and the receiving bin 500, so that the carbon nano tubes are protected; at the time of discharging, the gas outlet valve 111 is closed, and the carbon nanotubes in the graphite reactor 100 are blown into the storage bin 500 by a high-speed gas flow.
Further, a heating guide plate 130 is arranged at a position close to the air outlet 120 in the graphite reactor 100, the heating guide plate 130 is of a horn structure, and the horn structure is arranged in a small-end-up manner. The heating guide plate 130 mainly plays a role in guiding and collecting heat, so that the exhaust of the tail gas is smoother.
And, be equipped with anticorrosive filter dust net 140 in heating guide plate 130, anticorrosive filter dust net 140 can avoid the discharge of carbon nanotube when guaranteeing that tail gas is discharged, anticorrosive filter dust net 140 adopts quartz fiber or carbon fiber to weave and forms.
In some embodiments, the number of the gas guides 200 is multiple, the gas guides 200 are arranged in an annular interval, the multiple gas guides 200 can improve the guidance of the gas, and five gas guides 200 are provided in this embodiment.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (6)
1. An apparatus for purifying carbon nanotubes with halogen, comprising: it includes:
a graphite reactor (100) provided with an air outlet (120) and an air inlet (110), wherein an air guide member is provided at the air inlet (110), and the air guide member comprises an air guide part (200) spirally arranged along an air flow direction;
the air guide part (200) is of a spiral groove structure;
the number of the air guide parts (200) is multiple, and the air guide parts (200) are arranged at intervals in a ring shape;
the device for purifying the carbon nano tube by using the halogen comprises a graphite reactor (100), a gas inlet (110), a gas outlet (120), a heating furnace (300) and a gas outlet (110), wherein the gas inlet (110) is arranged at the bottom of the graphite reactor (100), the gas outlet (120) is arranged at the top of the graphite reactor (100), the graphite reactor (100) is installed in the heating furnace (300), and the heating furnace (300) is used for heating the graphite reactor (100).
2. The apparatus for purifying carbon nanotubes by using halogen as claimed in claim 1, wherein:
the position that is close to gas outlet (120) in graphite reactor (100) is provided with heating guide plate (130), heating guide plate (130) are the horn structure, the horn structure is big end down setting.
3. The apparatus for purifying carbon nanotubes by using halogen as claimed in claim 2, wherein:
an anti-corrosion dust filtering net (140) is arranged in the heating guide plate (130).
4. The apparatus for purifying carbon nanotubes by using halogen as claimed in claim 1, wherein:
the device for purifying the carbon nano tubes by using the halogen also comprises a raw material bin (400) and a receiving bin (500), wherein the outlet of the raw material bin (400) is connected with the air inlet (110) through a feeding pipeline (410), a feeding valve (411) and a halogen gas inlet (412) are sequentially arranged on the feeding pipeline (410) between the outlet of the raw material bin (400) and the air inlet (110), the receiving bin (500) is connected with the graphite reactor (100) through a discharging pipeline (510), and a discharging valve (511) is arranged on the discharging pipeline (510).
5. The apparatus for purifying carbon nanotubes by using halogen as claimed in claim 4, wherein:
a first nitrogen inlet (413) is arranged on the feeding pipeline (410), the first nitrogen inlet (413) is arranged on the outlet side of the feeding valve (411), and a second nitrogen inlet (512) is arranged on the discharging pipeline (510).
6. The apparatus for purifying carbon nanotubes by using halogen as claimed in claim 4, wherein:
and the air outlet (120) is provided with an air outlet valve (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455474.XU CN217103081U (en) | 2021-12-31 | 2021-12-31 | Device for purifying carbon nano tube by halogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123455474.XU CN217103081U (en) | 2021-12-31 | 2021-12-31 | Device for purifying carbon nano tube by halogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217103081U true CN217103081U (en) | 2022-08-02 |
Family
ID=82593052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123455474.XU Active CN217103081U (en) | 2021-12-31 | 2021-12-31 | Device for purifying carbon nano tube by halogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217103081U (en) |
-
2021
- 2021-12-31 CN CN202123455474.XU patent/CN217103081U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102408095B (en) | Method of decomposing hydrogen sulfide for preparation of hydrogen and elemental sulfur | |
| KR100732623B1 (en) | Carbon nanotubes mass synthesizing system | |
| CN109160511B (en) | Graphite purification device and method | |
| CA2645330A1 (en) | Method and apparatus for the continuous production and functionalization of single-walled carbon nanotubes using a high frequency plasma torch | |
| CN103534203A (en) | Method for manufacturing nanocarbon and manufacturing device | |
| CN107720725A (en) | A kind of method and device for preparing CNT | |
| CN201512418U (en) | Polycrystalline silicon reducing furnace | |
| CN102502745B (en) | Manufacture method and device of nanometer alumina powder | |
| CN217103081U (en) | Device for purifying carbon nano tube by halogen | |
| CN107311146A (en) | A kind of serialization prepares the device and method of nano-carbon material | |
| CN113277497B (en) | Multi-furnace-chamber device for continuously growing carbon nanotubes in parallel in channels | |
| CN214813531U (en) | Waste salt disposal system based on high-temperature melting | |
| CN110963481B (en) | Method for preparing hydrogen and carbon nano tube by cracking methane in series by two catalysts | |
| CN207030958U (en) | A kind of serialization prepares the device of nano-carbon material | |
| CN110330008A (en) | A kind of continuous producing method of carbon nanotube | |
| CN212673860U (en) | Oxygen recovery system of anode material atmosphere furnace | |
| CN212246225U (en) | Carbon nanotube fluidization gas phase purification device | |
| CN210197294U (en) | Micro-power oxygen enrichment device | |
| CN114180519B (en) | Device and method for preparing hydrogen and nano carbon material by virtue of reaction of decomposing coalbed methane by using plasma | |
| CN115215326A (en) | Pre-oxidation device for carbon nano tube purification | |
| CN219568049U (en) | Chemical vapor deposition furnace | |
| CN218250139U (en) | Single-walled carbon nanotube continuous preparation fluidized bed reactor with sectional heating bins | |
| CN221685185U (en) | Heat treatment device for negative electrode material of sodium ion battery | |
| CN208553607U (en) | A kind of carbon dioxide gas purifier | |
| CN215002972U (en) | Carbon roasting furnace denitration device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |